Twinkling Watermelon (2023)

S1E4 Eun-gyeol Becomes Yi-chan's Tutor

Eun-gyeol crosses paths with Se-gyeong during her teenage years and discovers some puzzling details about her life that seem unclear in the future. At the same time, Yi-chan has his first encounter with Chung-ah, who remains silent throughout their meeting. In an attempt to escape Eun-gyeol, Yi-chan heads to the Snail Guesthouse, but Eun-gyeol tracks him down and ultimately takes on the role of his math tutor.